公开(公告)号：US07539108B2

公开(公告)日：2009-05-26

申请号：US11250481

申请日：2005-10-17

申请人： Tsutomu Maruyama ,  Isao Ichimura

发明人： Tsutomu Maruyama ,  Isao Ichimura

IPC分类号： G11B7/00

CPC分类号： G11B20/10203 ,  G11B20/10027 ,  G11B2007/0013 ,  G11B2020/1288 ,  G11B2220/2541

摘要： An optical information reproduction apparatus for reproducing a recording signal by irradiating a light beam onto a recording surface of an optical information recording medium having at least two information recording layers and by receiving reflected light of the light beam is provided. The optical information reproduction apparatus includes an extraction section for extracting an envelope signal of a reproduction signal when the reproduction signal reproduced by focusing the light beam onto one information recording layer in the plural information recording layers has been modulated by interlayer crosstalk from another information recording layer; and a distortion correction section for correcting the distortion of the target reproduction signal caused by the interlayer crosstalk by gain-adjusting the reproduction signal containing DC components so that the envelope signal becomes constant.

摘要翻译： 提供了一种用于通过将光束照射到具有至少两个信息记录层的光学信息记录介质的记录表面并且通过接收光束的反射光来再现记录信号的光学信息再现设备。 光信息再现装置包括一个提取部分，用于当通过将光束聚焦在多个信息记录层中的一个信息记录层上而再现的再现信号通过来自另一个信息记录层的层间串扰进行调制时，提取再现信号的包络信号 ; 以及失真校正部分，用于通过对包含DC分量的再现信号进行增益调节，使得包络信号变得恒定来校正由层间串扰引起的目标再现信号的失真。

公开(公告)号：US20060087937A1

公开(公告)日：2006-04-27

申请号：US11250481

申请日：2005-10-17

申请人： Tsutomu Maruyama ,  Isao Ichimura

发明人： Tsutomu Maruyama ,  Isao Ichimura

IPC分类号： G11B5/09

CPC分类号： G11B20/10203 ,  G11B20/10027 ,  G11B2007/0013 ,  G11B2020/1288 ,  G11B2220/2541

摘要： An optical information reproduction apparatus for reproducing a recording signal by irradiating a light beam onto a recording surface of an optical information recording medium having at least two information recording layers and by receiving reflected light of the light beam is provided. The optical information reproduction apparatus includes an extraction section for extracting an envelope signal of a reproduction signal when the reproduction signal reproduced by focusing the light beam onto one information recording layer in the plural information recording layers has been modulated by interlayer crosstalk from another information recording layer; and a distortion correction section for correcting the distortion of the target reproduction signal caused by the interlayer crosstalk by gain-adjusting the reproduction signal containing DC components so that the envelope signal becomes constant.

公开(公告)号：US20050157614A1

公开(公告)日：2005-07-21

申请号：US10505047

申请日：2003-12-26

申请人： Isao Ichimura ,  Tsutomu Maruyama

发明人： Isao Ichimura ,  Tsutomu Maruyama

IPC分类号： G11B7/00 ,  G11B7/085 ,  G11B7/09 ,  G11B7/125 ,  G11B7/135

CPC分类号： G11B7/13925 ,  G11B7/08511 ,  G11B7/1369 ,  G11B2007/0013

摘要： The focus is moved from a first layer (L0) to a second layer (L1) of a double-layered optical disk by stopping a control loop operation and applying acceleration pulses for an interlayer jump to a two-axis electromagnetic actuator. Here, switching timing between acceleration and deceleration for an interlayer jump is generated based on the rate of change of a SUM signal obtained from a light-sensitive element (27), the SUM signal is distinguished by a specific threshold TH, and an S-shaped error signal is distinguished by thresholds THH and THL with different positive/negative level, thereby performing a pull-in operation of focus control. In addition, at the time of the interlayer jump, a liquid crystal element (23) for correcting the spherical aberration is optimized in advance for the cover layer thickness of the target layer L1.

摘要翻译： 通过停止控制循环操作并将层间跳跃的加速度脉冲施加到双轴电磁致动器，将焦点从双层光盘的第一层（L 0）移动到第二层（L 1）。 这里，基于从感光元件（27）获得的SUM信号的变化率来生成层间跳跃的加速和减速之间的切换定时，SUM信号被特定阈值TH区分，并且S- 形状误差信号由具有不同正/负电平的阈值THH和THL区分，从而执行聚焦控制的拉入操作。 此外，在层间跳跃时，针对目标层L 1的覆盖层厚度预先优化用于校正球面像差的液晶元件（23）。

公开(公告)号：US07301875B2

公开(公告)日：2007-11-27

申请号：US10890176

申请日：2004-07-14

申请人： Isao Ichimura ,  Tsutomu Maruyama ,  Yuichi Sabi ,  Kiyoshi Osato

发明人： Isao Ichimura ,  Tsutomu Maruyama ,  Yuichi Sabi ,  Kiyoshi Osato

IPC分类号： G11B7/00

CPC分类号： G11B7/1369 ,  G11B7/00456 ,  G11B7/13927

摘要： An optimum performance is achieved relative to write-once type optical recording mediums on which information is recorded by means of a blue-violet semiconductor laser. An optical disc recording/reproduction apparatus 10 comprises an LD control section 17 adapted to control the irradiation power of a laser when writing data. If the cycle of the channel clock is T, when forming a recording mark having a length of n×T (n being an integer not smaller than 2), a pulse beam is irradiated onto the write-once type information recording medium for n/2 times (decimals, if any, being to be rounded down). When forming a recording mark having a length of not smaller than 6T and even number times of T, a pulse beam is irradiated for n/2 times with all the intermediate pulse beams synchronized with the phase of the channel clock except the leading pulse beam and the tail end pulse beam. When forming a recording mark having a length of not smaller than 6T and odd number times of T, a pulse beam is irradiated with all the intermediate pulse beams delayed from the phase of the channel clock by T/2 except the leading pulse beam and the tail end pulse beam.

摘要翻译： 相对于其上通过蓝紫色半导体激光器记录信息的一次写入型光学记录介质，实现了最佳性能。 光盘记录/再现装置10包括LD控制部分17，其适于在写入数据时控制激光器的照射功率。 如果通道时钟的周期为T，则当形成长度为n×T（n为2以上的整数）的记录标记时，将脉冲光束照射到一次写入型信息记录介质上n / 2次 （小数，如果有的话）被四舍五入）。 当形成长度不小于6T且偶数次T的记录标记时，除了前导脉冲波束之外，与除了通道时钟的相位同步的所有中间脉冲波束照射脉冲束n / 2次， 尾端脉冲光束。 当形成长度不小于6T且奇数倍的记录标记时，除了前导脉冲波束之外，从通道时钟的相位延迟的所有中间脉冲波束照射脉冲光束T / 2， 尾端脉冲束。

公开(公告)号：US07126899B2

公开(公告)日：2006-10-24

申请号：US10505047

申请日：2003-12-26

申请人： Isao Ichimura ,  Tsutomu Maruyama

发明人： Isao Ichimura ,  Tsutomu Maruyama

IPC分类号： G11B7/00

CPC分类号： G11B7/13925 ,  G11B7/08511 ,  G11B7/1369 ,  G11B2007/0013

摘要： The focus is moved from a first layer (L0) to a second layer (L1) of a double-layered optical disk by stopping a control loop operation and applying acceleration pulses for an interlayer jump to a two-axis electromagnetic actuator. Here, switching timing between acceleration and deceleration for an interlayer jump is generated based on the rate of change of a SUM signal obtained from a light-sensitive element (27), the SUM signal is distinguished by a specific threshold TH, and an S-shaped error signal is distinguished by thresholds THH and THL with different positive/negative level, thereby performing a pull-in operation of focus control. In addition, at the time of the interlayer jump, a liquid crystal element (23) for correcting the spherical aberration is optimized in advance for the cover layer thickness of the target layer L1.

摘要翻译： 通过停止控制循环操作并将层间跳跃的加速度脉冲施加到双轴电磁致动器，将焦点从双层光盘的第一层（L 0）移动到第二层（L 1）。 这里，基于从感光元件（27）获得的SUM信号的变化率来生成层间跳跃的加速和减速之间的切换定时，SUM信号被特定阈值TH区分，并且S- 形状误差信号由具有不同正/负电平的阈值THH和THL区分，从而执行聚焦控制的拉入操作。 此外，在层间跳跃时，针对目标层L 1的覆盖层厚度预先优化用于校正球面像差的液晶元件（23）。

公开(公告)号：US20050036423A1

公开(公告)日：2005-02-17

申请号：US10890176

申请日：2004-07-14

申请人： Isao Ichimura ,  Tsutomu Maruyama ,  Yuichi Sabi ,  Kiyoshi Osato

发明人： Isao Ichimura ,  Tsutomu Maruyama ,  Yuichi Sabi ,  Kiyoshi Osato

IPC分类号： G11B7/0045 ,  G11B7/125 ,  G11B7/135 ,  G11B7/00 ,  G11B5/09

CPC分类号： G11B7/1369 ,  G11B7/00456 ,  G11B7/13927

摘要： An optimum performance is achieved relative to write-once type optical recording mediums on which information is recorded by means of a blue-violet semiconductor laser. An optical disc recording/reproduction apparatus 10 comprises an LD control section 17 adapted to control the irradiation power of a laser when writing data. If the cycle of the channel clock is T, when forming a recording mark having a length of n×T (n being an integer not smaller than 2), a pulse beam is irradiated onto the write-once type information recording medium for n/2 times (decimals, if any, being to be rounded down). When forming a recording mark having a length of not smaller than 6T and even number times of T, a pulse beam is irradiated for n/2 times with all the intermediate pulse beams synchronized with the phase of the channel clock except the leading pulse beam and the tail end pulse beam. When forming a recording mark having a length of not smaller than 6T and odd number times of T, a pulse beam is irradiated with all the intermediate pulse beams delayed from the phase of the channel clock by T/2 except the leading pulse beam and the tail end pulse beam.

摘要翻译： 相对于其上通过蓝紫色半导体激光器记录信息的一次写入型光学记录介质，实现了最佳性能。 光盘记录/再现装置10包括LD控制部分17，其适于在写入数据时控制激光器的照射功率。 如果通道时钟的周期为T，则当形成长度为n×T（n为2以上的整数）的记录标记时，将脉冲光束照射到一次写入型信息记录介质上n / 2次 （小数，如果有的话）被四舍五入）。 当形成长度不小于6T且偶数次T的记录标记时，除了前导脉冲波束之外，与除了通道时钟的相位同步的所有中间脉冲波束照射脉冲束n / 2次， 尾端脉冲光束。 当形成长度不小于6T且奇数倍的记录标记时，除了前导脉冲波束之外，从通道时钟的相位延迟的所有中间脉冲波束照射脉冲光束T / 2， 尾端脉冲束。

公开(公告)号：US20150131425A9

公开(公告)日：2015-05-14

申请号：US13545688

申请日：2012-07-10

申请人： Goro Fujita ,  Tsutomu Maruyama ,  Masaru Kuramoto ,  Hideki Watanabe

发明人： Goro Fujita ,  Tsutomu Maruyama ,  Masaru Kuramoto ,  Hideki Watanabe

IPC分类号： G11B7/126 ,  G11B7/1374 ,  H01S5/065 ,  H01S5/0625 ,  H01S5/026 ,  G11B7/1275 ,  H01S5/34 ,  H01S5/343

CPC分类号： G11B7/126 ,  B82Y20/00 ,  G11B7/127 ,  G11B7/1275 ,  G11B7/128 ,  G11B2007/00457 ,  H01S5/0261 ,  H01S5/0602 ,  H01S5/06253 ,  H01S5/06255 ,  H01S5/0658 ,  H01S5/34333

摘要： Provided is a recording apparatus including a self-excited oscillation semiconductor laser that has a double quantum well separate confinement heterostructure and includes a saturable absorber section to which a negative bias voltage is applied and a gain section into which a gain current is injected, an optical separation unit, an objective lens, a light reception element, a pulse detection unit, a reference signal generation unit, a phase comparison unit, a recording signal generation unit, and a control unit.

摘要翻译： 提供了一种记录装置，其包括具有双量子阱分离限制异质结构的自激振荡半导体激光器，并且包括施加负偏置电压的可饱和吸收部分和注入增益电流的增益部分，光学 分离单元，物镜，光接收元件，脉冲检测单元，参考信号生成单元，相位比较单元，记录信号生成单元和控制单元。

公开(公告)号：US5332769A

公开(公告)日：1994-07-26

申请号：US2767

申请日：1993-01-14

申请人： Michiyuki Kakimoto ,  Ryuichi Eguchi ,  Atsushi Kobayashi ,  Tadashi Nishimoto ,  Shozo Iseki ,  Tsutomu Maruyama

发明人： Michiyuki Kakimoto ,  Ryuichi Eguchi ,  Atsushi Kobayashi ,  Tadashi Nishimoto ,  Shozo Iseki ,  Tsutomu Maruyama

IPC分类号： B32B15/09 ,  B32B7/12 ,  B65D1/28 ,  C09J4/00 ,  C09J167/00 ,  C09J167/02 ,  C09J167/06 ,  C08K3/00 ,  C08K3/34 ,  C08K3/20

CPC分类号： B65D1/28 ,  B32B7/12 ,  C09J167/00 ,  Y10T428/31678

摘要： An electron radiation curing type adhesive which is excellent for adhesion between a polyester film and a metal material, and which is excellent in retort resistance or the like where the adhesive is used for food cans. There is also disclosed a metal plate laminated with a polyester film. The electron radiation curing type adhesive is composed of a resin composition in which 2 to 200 weight part of polyester group oligomer having unsaturated double-bonds, with respect to 100 weight parts of polyester resin, has added thereto 0.5 to 250 PHR of a stress relaxation agent. The polyester film and a metal plate are laminated with each other by means of the above-mentioned adhesive, and then the film and the metal plate are bonded together by heating and curing the adhesive by irradiation using electron radiation.

摘要翻译： 一种电子辐射固化型粘合剂，其特征在于聚酯膜和金属材料之间的粘附性优异，并且耐干燥性优异等优异的粘合剂用于食品罐头。 还公开了一种层压有聚酯膜的金属板。 电子辐射固化型粘合剂由相对于100重量份聚酯树脂2〜200重量份的具有不饱和双键的聚酯系低聚物的树脂组合物构成，其中加入0.5〜250个PHR的应力松弛 代理商 聚酯膜和金属板通过上述粘合剂彼此层压，然后通过使用电子辐射的照射加热和固化粘合剂将膜和金属板粘合在一起。

公开(公告)号：US08462599B2

公开(公告)日：2013-06-11

申请号：US13540858

申请日：2012-07-03

申请人： Goro Fujita ,  Tsutomu Maruyama

发明人： Goro Fujita ,  Tsutomu Maruyama

IPC分类号： G11B5/09

CPC分类号： G11B7/1263 ,  B82Y20/00 ,  G11B7/127 ,  H01S5/06253 ,  H01S5/0658 ,  H01S5/34333

摘要： Provided is a recording apparatus including a self-excited oscillation semiconductor laser that has a double quantum well separate confinement heterostructure and includes a saturable absorber section to which a negative bias voltage is applied and a gain section into which a gain current is injected, an optical separation unit, an objective lens, a light reception element, a pulse detection unit, a reference signal generation unit, a phase comparison unit, a recording signal generation unit, and a control unit.

摘要翻译： 提供了一种记录装置，其包括具有双量子阱分离限制异质结构的自激振荡半导体激光器，并且包括施加负偏置电压的可饱和吸收部分和注入增益电流的增益部分，光学 分离单元，物镜，光接收元件，脉冲检测单元，参考信号生成单元，相位比较单元，记录信号生成单元和控制单元。

公开(公告)号：US20080151987A1

公开(公告)日：2008-06-26

申请号：US11944543

申请日：2007-11-23

申请人： Tsutomu Maruyama ,  Junya Shiraishi

发明人： Tsutomu Maruyama ,  Junya Shiraishi

IPC分类号： H03D3/24 ,  H03H7/30

CPC分类号： H04L25/03038 ,  H04L2025/03471 ,  H04L2025/03617 ,  H04L2027/0038 ,  H04L2027/0067

摘要： A reproducing apparatus for reproducing channel data from a recording medium using the ITR includes a reading unit reading an information signal recorded on the recording medium; a phase interpolator interpolating a phase of the information signal read on the basis of a phase error signal sent as a feedback; a first waveform equalizer equalizing a waveform of the phase-interpolated information signal while keeping the phase of the information signal fixed; a phase-error-signal generator generating the phase error signal to be sent as a feedback to the phase interpolator on the basis of the information signal whose waveform has been equalized by the first waveform equalizer; a second waveform equalizer equalizing the waveform of the phase-interpolated information signal without limiting a phase change; and a decoder generating the channel data by decoding the information signal whose waveform has been equalized by the second waveform equalizer.

摘要翻译： 用于使用ITR从记录介质再现频道数据的再现装置包括读取记录在记录介质上的信息信号的读取单元; 基于作为反馈发送的相位误差信号，内插所读出的信息信号的相位的相位插值器; 第一波形均衡器，在保持信息信号的相位固定的同时均衡相位内插信息信号的波形; 相位误差信号发生器，根据波形已被第一波形均衡器均衡的信息信号产生相位误差信号作为反馈发送到相位插值器; 第二波形均衡器，对相位内插信息信号的波形进行均衡，而不限制相位变化; 以及解码器，通过对波形已经被第二波形均衡器进行了均衡的信息信号进行解码来产生信道数据。